<template>
  <el-form :model="loginForm" :rules="fieldRules" ref="loginForm" label-position="left" label-width="0px" class="demo-ruleForm login-container" @keyup.enter.native="login()">
    <span class="tool-bar">
      <!-- 主题切换 -->
<!--      <theme-picker style="float:right;" class="theme-picker" :default="themeColor" @onThemeChange="onThemeChange"></theme-picker>-->
      <!-- 语言切换 -->
      <!-- <lang-selector class="lang-selector"></lang-selector>    -->
    </span>
    <h2 class="title" style="padding-left:22px;" >系统登录</h2>
    <el-form-item prop="account">
      <el-input type="text" v-model="loginForm.account" autofocus placeholder="账号"></el-input>
    </el-form-item>
    <el-form-item prop="password">
      <el-input type="password" v-model="loginForm.password" auto-complete="off" placeholder="密码"></el-input>
    </el-form-item>
    <el-form-item >
      <el-col :span="12">
        <el-form-item prop="captcha">
          <el-input type="test" v-model="loginForm.captcha" auto-complete="off" placeholder="验证码, 单击图片刷新"
            style="width: 100%;">
          </el-input>
        </el-form-item>
      </el-col>
      <el-col class="line" :span="1">&nbsp;</el-col>
      <el-col :span="11">
        <el-form-item>
            <img style="width: 100%;" class="pointer" :src="loginForm.src" @click="refreshCaptcha">
        </el-form-item>
      </el-col>
    </el-form-item>
    <!-- <el-checkbox v-model="checked" checked class="remember">记住密码</el-checkbox> -->
    <el-form-item style="width:100%;">
      <el-button type="primary" style="width:48%;" @click.native.prevent="login" :loading="loading">登 录</el-button>
      <el-button type="primary" style="width:48%;" @click.native.prevent="reset">重 置</el-button>
<!--      <a href="http://192.168.36.4:8081/casLogin">测试</a>-->
    </el-form-item>
  </el-form>
</template>

<script>
import { mapState } from 'vuex'
import Cookies from "js-cookie"
import ThemePicker from "@/components/ThemePicker"
import LangSelector from "@/components/LangSelector"
import { login, captcha } from '@/api/user'
export default {
  name: 'Login',
  components:{
    ThemePicker,
    LangSelector
  },
  data() {
    return {
      loading: false,
      loginForm: {
        account: '',
        password: '',
        captcha:'',
        src: ''
      },
      fieldRules: {
        account: [
          { required: true, message: '请输入账号', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' }
        ]
        ,
        captcha: [
          { required: true, message: '请输入验证码', trigger: 'blur' }
        ]
      },
      checked: true
    }
  },
  created () {
    this.queryCaptcha()
  },
  methods: {
    handelceshi () {
      window.location.href = '192.168.34.15:8080/casLogin'
    },
    async queryCaptcha() {
      const data = await captcha()
      if (data) {
        if (data.code === 200) {
          Cookies.set('authorization', data.data.uuid)
          this.loginForm.src = 'data:text/css;base64,' + data.data.code
        }
      }
    },
    async loginIn (userInfo) {
      const data = await login(userInfo)
      if (data) {
        if (data.code === 200) {
          this.loading = false
          Cookies.set('token', data.data.token)
          this.$store.commit('setName', data.data.name)
          // 保存用户到本地会话
          // sessionStorage.setItem('userIfo', data.data)
          sessionStorage.setItem('setName', data.data.name)
          sessionStorage.setItem('user', userInfo.username)
          // 要求重新加载导航菜单
          this.$store.commit('menuRouteLoaded', false)
          // 登录成功，跳转到主页
          this.$router.push('/')
        } else {
          this.loading = false
          this.queryCaptcha()
        }
      }
    },
    login() {
      this.$refs['loginForm'].validate((valid) => {
        if (valid) {
          this.loading = true
          let userInfo = {username:this.loginForm.account, password:this.loginForm.password, captcha:this.loginForm.captcha}
          this.loginIn(userInfo)
        } else {
          this.queryCaptcha()
          this.dataForm.captcha = ''
          this.loading = false
        }
      })
    },
    refreshCaptcha: function(){
      Cookies.remove('uuid')
      this.queryCaptcha()
    },
    reset() {
      this.$refs.loginForm.resetFields()
    }
  },
  mounted() {
    this.refreshCaptcha()
  },
  computed:{
    ...mapState({
      themeColor: state=>state.app.themeColor
    })
  }
}
</script>

<style lang="scss" scoped>
  .login-container {
    -webkit-border-radius: 5px;
    border-radius: 5px;
    -moz-border-radius: 5px;
    background-clip: padding-box;
    margin: 100px auto;
    width: 350px;
    padding: 35px 35px 15px 35px;
    background: #fff;
    border: 1px solid #eaeaea;
    box-shadow: 0 0 25px #cac6c6;
    .title {
      margin: 0px auto 30px auto;
      text-align: center;
      color: #505458;
    }
    .remember {
      margin: 0px 0px 35px 0px;
    }
  }
</style>
